CN102123647B - Conveyor dishwasher and method for operating a conveyor dishwasher - Google Patents
Conveyor dishwasher and method for operating a conveyor dishwasher Download PDFInfo
- Publication number
- CN102123647B CN102123647B CN200980131991.4A CN200980131991A CN102123647B CN 102123647 B CN102123647 B CN 102123647B CN 200980131991 A CN200980131991 A CN 200980131991A CN 102123647 B CN102123647 B CN 102123647B
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- Prior art keywords
- final rinsing
- washing
- district
- rinse aid
- clear water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
- A47L15/241—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors the dishes moving in a horizontal plane
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0026—Rinsing phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
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- Washing And Drying Of Tableware (AREA)
Abstract
A conveyor dishwasher (2) has a control apparatus (50) for automatically setting the quantity of final rinse liquid sprayed in the final rinse zone (18) per unit time as a function of the conveying speed and/or as a function of the type of washware conveyed through the final rinse zone (18). A rinse aid metering apparatus (57) is also provided which is designed to add in a metered fashion a constant quantity of rinse aid per unit time to the fresh water provided for final rinsing purposes independently of the quantity of final rinse liquid sprayed in the final rinse zone (18) per unit time.
Description
The present invention relates to a kind of conveying type dish-washing machine, it comprises ware washing transmission by least one scrubbing section and the conveyer with at least one final rinsing district of final rinsing liquid, described final rinsing liquid comprises clear water and the rinse aid adding with metering method, described final rinsing liquid by nozzles spray on the ware washing in described at least one final rinsing district.The invention still further relates to the method for this type of conveying type dish-washing machine of operation.
Therefore, the present invention be more particularly directed to flight type dishwasher (flight type vessel-cleaning machine) or frame conveying type dish-washing machine (the clear rinsing maching of frame conveying type vessel).
Conveying type dish-washing machine (conveying type vessel-cleaning machine) is used to commercial field.Compare with domestic bowl-washing, the vessel to be cleaned in domestic bowl-washing keep motionless in the process of cleaning in dish-washing machine, and ware washing is transmitted through the different disposal region of dish-washing machine in conveying type dish-washing machine.
For conveying type dish-washing machine, ware washing, for example dish, kettle, glass, knife and fork and other are transmitted through a plurality of processing regions by the article that are cleaned, for example prewashing district, main scrubbing section, rear washing Huo Yu rinsing district, final rinsing district and dry section.Conventionally there is the conveyer of the compartment that holds ware washing for ware washing being transmitted on direction of transfer by conveying type dish-washing machine.For flight type dishwasher, described compartment can be formed by the support bar on the conveyer belt of conveyer.For frame conveying type dish-washing machine, as in the tableware rack of conveyer, form described compartment to hold pending ware washing.Described tableware rack can transmit by frame conveying type dish-washing machine by transfer equipment.
US 6,530, and 996B2 discloses a kind of conveying type dish-washing machine, and wherein, in the situation that pending ware washing is classified in advance in tableware rack, pending ware washing is admitted in corresponding processing region.This conveying type dish-washing machine of the prior art has the sensor for detection and identify feature, and described installation of sensors also shows the type that is contained in the ware washing in tableware rack on tableware rack.Can select according to the recognition feature detecting suitable washing and/or the rinsing program of frame conveying type dish-washing machine.
DE196 08 030 C1 disclose a kind of conveying type dish-washing machine, wherein, according to the type of ware washing to be cleaned in single processing region in conveying type dish-washing machine and spot degree thereof, extra sprinkling system can be forwarded to unlatching or closed condition to change the size of action part in processing region.
Transfer rate from DE 10 2,005 021 101 A1 in the final rinsing of known basis district is opened or is closed the extra nozzle in conveying type dish-washing machine, thereby the use total amount of the final rinsing liquid in operating process can be reduced.Sensor is installed in the porch of conveying type dish-washing machine to survey ware washing.When entering the ware washing quantity minimizing of conveying type dish-washing machine, transfer rate reduces automatically.
Similarly conveying type dish-washing machine can also be learnt from DE 695 25 337 T2.In the file of the prior art, sensor is used to survey the appearance of pending ware washing.If do not have ware washing to occur, washing operation is interrupted, until there is ware washing again to pass through sensor.
Finally, DE 196 08 036 C5 disclose another kind of conveying type dish-washing machine, and wherein, the amount of the final rinsing liquid spraying in the inherent final rinsing of time per unit district changes according to transfer rate with according to corresponding rinsing program.The amount of the clear water spraying in final rinsing program and being all associated with transfer rate and corresponding rinsing program in all cases for the amount of the rinse aid of final rinsing, and change according to them.
The object of the invention is to by make to obtain that class conveying type dish-washing machine that beginning is mentioned with below: although reduced for the clear water of pending ware washing and the consumption of the energy, can optimize final rinsing result.Realizing another object is the correlation method of determining this type of conveying type dish-washing machine of operation.
The advantage that can realize by the present invention is obvious: first, there is control device, the amount that it is designed to set the final rinsing liquid spraying in inherent at least one the final rinsing district of time per unit, is wherein fed to the volume flow of final rinsing liquid of nozzle in final rinsing district by least transfer rate by final rinsing district and/or the change automatically according to transmitting the type of the ware washing by final rinsing district according to ware washing of described control device.Like this, the final rinsing liquid spraying in the inherent final rinsing of time per unit district can be ideally with the type matching of pending ware washing and/or match with the transfer rate that pending ware washing transmits by least one final rinsing district.Thus, the consumption of finally washing at least one clear water as final rinsing object spraying in region can be reduced effectively.Due to the less consumption of clear water, amount that will heated clear water also reduces, and has also saved thus energy.
Second, according to the salient point of the solution of the present invention, be: except control device, also there is rinse aid metering device, it is designed in time per unit mode with metering in the rinse aid as adding fixed amount in the clear water of final rinsing object, and with inherent at least one the final rinsing district of time per unit in the amount of the final rinsing liquid that sprays irrelevant.According to the present invention, the amount of adding the rinse aid in clear water in time per unit to is therefore unconnected with the volume flow of final rinsing liquid of nozzle that is fed to final rinsing district.
Can find out so not associated advantage particularly in, adopted and a kind ofly implemented simple especially, but very effective method, thereby no matter can both obtain all the time best final rinsing result for dissimilar ware washing or for different transfer rates.It should be noted that chemometric techniques herein, in particular for rinse aid is added to as the technology in the clear water of final rinsing object with metering method, is not generally dish-washing machine manufacturer's responsibility.According to the solution of the present invention, allow in the operation of conveying type dish-washing machine, to reduce the consumption of clear water and energy, but do not need to change pro rata according to the volume flow of the clear water as final rinsing object the rinse aid of metering.Can be thus and chemometric techniques according to the solution of the present invention, especially for add the technology of rinse aid with metering method, irrelevant disturbing implemented.
Be surprised to find that, in processing procedure, when not depending on the amount of the final rinsing liquid spraying in final rinsing district in time per unit, be used as in every liter of clear water of final rinsing object and adding 0.2 to 0.8ml rinse aid with metering method, be preferably 0.3 when the 0.6ml rinse aid, the result (cleaning agent residue is effectively rinsed from ware washing surface) of final rinsing is not adversely affected by any way.
According to the favourable expansion (development) of the solution of the present invention, specifically set forth in the appended claims.
The present invention will be by being described in more detail below based on preferred embodiment and with reference to the example of accompanying drawing, in the accompanying drawings:
Figure 1 shows that the vertical section schematic diagram according to conveying type dish-washing machine of the present invention; With
Figure 2 shows that according to the viewgraph of cross-section in the final rinsing district of the dish-washing machine of conveying type shown in Fig. 1.
Fig. 1 shows the conveying type dish-washing machine 2 with conveyer 4, and described conveyer 4 is for being conveyed through ware washing (not shown) along direction of transfer 8 housing of conveying type dish-washing machine.Described conveying type dish-washing machine 2 has at least one washing region, for example pre-wash district 12 as shown in Figure 1 and be positioned at the main scrubbing section 14 in 12 downstreams, pre-wash district on direction of transfer 8.
From direction of transfer 8, wash the downstream that back zone 16 is positioned at least one scrubbing section 12,14, and at least one final rinsing district, for example an only final rinsing district 18 as shown, is positioned at the downstream of washing back zone 16.In the conveying type dish-washing machine 2 shown in Fig. 1, along direction of transfer 8, follow the dry section 40 in addition in final rinsing district 18.Each region 12,14,16,18,40 of conveying type dish-washing machine 2 can be separated from each other by demarcation strip 47.In the embodiment shown in fig. 1, access road 10 also separates by demarcation strip 47 with entrance 11 itself.The setting of demarcation strip 47 prevents that cleaning solution and final rinsing liquid from spraying between zones of different, and prevents that steam from overflowing from conveying type dish-washing machine 2.
The related nozzle 20,22,24,26,28,30 of processing region 12,14,16,18 tool of conveying type dish-washing machine 2.Described nozzle 20,22,24,26,28,30 is transmitted by each processing region and is used for spray liquid to ware washing for 12,14,16,18 o'clock by conveyer 4 at ware washing.The independent sprinkling system of processing region 12,14,16,18 guarantees that pending ware washing can be rinsed by water pipe (hose down) from top with from bottom.
Yet in the conveying type dish-washing machine 2 schematically showing at Fig. 1, final rinsing district 18 not only has the top nozzle 20 of downward sensing and the lower nozzle 22 being directed upwards towards, and in every side of conveyer 4, all there is the side nozzle 24 of horizontal sensing.The use of side nozzle 24 makes ware washing region (tableware region), comprises blind area (shadow zone), in goal-setting (targeted) mode, by final rinsing liquid, is sprayed onto.The use of side nozzle 24 in final rinsing district 18 (lip-deep washing agent residue also can effectively rinse for the tableware in blind area) aspect final rinsing result is obviously better than those to be only had upper and lower nozzle 20,22 and there is no the laterally system of the side nozzle 24 of sensing in final rinsing district 18, especially when transfer system full load, on the tableware rack of transfer system, coil in other words fully loaded to coiling (plate-to-plate loading).
Washing back zone 16, main scrubbing section 14He pre-wash district 12 also has relevant tank (washing rear tank 32, main type washing trough 34, pre-wash tank 36) and take and hold the liquid of sprinkling and/or 14,16,18 nozzle 26,28,30 provides liquid as relevant treatment region.
Just as already described, there is clear water and the nozzle 20,22,24 of the final rinsing liquid of the rinse aid that adds with metering method by the top that is arranged on conveyer 4 as shown in Figure 1, below and the conveying type dish-washing machine side in final rinsing district 18 is sprayed on ware washing (not shown).A part for the final rinsing liquid spraying is sent to another processing region with the direction contrary with ware washing direction of transfer 8 from a processing region by cascade system (cascade system).The remainder of the final rinsing liquid spraying in final rinsing district 18 directly imports in the pre-wash tank 36 relevant to pre-wash district 12 by valve V1 and bypass 38.
In described cascade system, the final rinsing liquid being sprayed by nozzle 20,22,24 under the effect of gravity from final rinsing district 18 flow into wash back zone 16 relevant wash in tank 32.After the final rinsing liquid that sprays and collected by tank after washing 32, by pump after washing 45, be admitted to the nozzle (washing rear nozzle 26) of washing rear region 16 in final rinsing district 18.
Cleaning solution is rinsed in washing back zone 16 from ware washing.The liquid producing in this process (washing rear liquid) flows under the influence of gravity into the main type washing trough 34 relevant with main scrubbing section 14.Releasing member 39 is preferably provided, and for example release substrate or baffle plate, entering in main type washing trough 34 by washing the rear liquid guiding of washing that rear nozzle 26 sprays.According to another embodiment (not shown), if extending, main type washing trough 34 washes the below of washing rear nozzle 26 of back zone 16, can save outlet element 39.
The liquid that the main type washing trough 34 of main scrubbing section 14 holds also has cleaning agent conventionally, and is sprayed onto on ware washing by nozzle (main Washing spray nozzle 28) by main washing pump 35.The cleaning solution being sprayed by main Washing spray nozzle 28 flows back in main type washing trough 34 under Action of Gravity Field.
Pre-wash tank 36 fluids that main type washing trough 34 is associated by overflow pipe (overflow line) 37Yu He pre-wash district 12 are connected.While having the cleaning solution of q.s in main type washing trough 34, the cleaning solution spraying in main scrubbing section 14 enters pre-wash tank 36 via this overflow pipe 37.
Nozzle (pre-wash nozzle 30) by pre-wash Beng33You pre-wash district 12 after interior the held liquid of pre-wash tank 36 in pre-wash district 12 is sprayed to ware washing, to remove the coarse particles in foul on ware washing.The cleaning solution being sprayed by pre-wash nozzle 30 flows back in pre-wash tank 36 under the effect of gravity.
Pre-wash tank 36 has overflow pipe 31, when it exceeds as the liquid level in pre-wash tank 36, the liquid of unnecessary amount is delivered in waste water system.
Just as already described, the liquid spraying in main scrubbing section 14He pre-wash district 12 preferably contains cleaning agent, described cleaning agent is added in the mode of measuring by cleaning agent metering device (not illustrating in the drawings), for example, in the liquid that the main type washing trough 34 of main scrubbing section 14 holds, goes.
As already mentioned, along direction of transfer 8, follow final rinsing district 18 and also there is dry section 40.At described dry section 40, with air dry and heating, be dried ware washing, to blow and/or to dry up the steam on ware washing off.For water content in described air is remained on and is conducive in dry scope, feasible, for example, by opening, outside room air is fed in dry section 40, described opening is for example the outlet of ware washing.
Warm in dry section 40 and with being extracted out from dry section 40 by another opening after the air of steam, for example, by the help of fan 41.If waste gas streams from dry section 40 out will be favourable through heat recovery component 42, in described heat recovery component, for example can provide condenser.Described heat recovery component 42 is as reclaiming at least part of heat containing in waste gas.
Before initial startup conveying type dish-washing machine 2, if the tank relevant to washing region 12,14,16 separately (pre-wash tank 36, main type washing trough 34, wash rear tank 32) be empty or be not filled fully, first these tanks will fill clear water and/or by filling at the final final rinsing liquid of rinsing district's 18 interior sprinkling by fresh water pipeline 90.Described fresh water pipeline 90 can be connected with clear water supply system by activatable valve V3.The amount of the cleaning solution in main scrubbing section 14He pre-wash district 12 can and provide the liquid level sensor in pre-wash tank 36 be detected and signal is provided in control appliance 50 by the liquid level sensor in main type washing trough 34 in each case.
Final rinsing district 18 can-the related clear water storage case 30 of as shown in Figure 1-tool, in order to hold provisionally at least a portion as final rinsing object clear water.First described clear water storage case 30 has can be connected to by activatable clear water induction valve V2 the clear water connector of clear water supply system, and secondly it is connected with the arrival end of final rinsing pump 43.Yet, without clear water storage case, with at least a portion of holding as final rinsing object clear water temporarily, be much less also feasible, clear water induction valve V2 directly can be connected with the arrival end of final rinsing pump 43.
The port of export of final rinsing pump 43 is connected to water heater 9 (boiler) by pipe-line system.Thereby described pipe-line system is designed to: the liquid that is delivered to the nozzle 20,22,24 in final rinsing district 18 from final rinsing pump 43 heat recovery component 42 of first flowing through before arriving water heater 9.Like this, can utilize at least in part the heat reclaiming to heat to be provided to the liquid in the nozzle 20,22,24 in final rinsing district 18 from d/d waste gas.
Rinse aid is added in clear water and goes in the mode of measuring by rinse aid metering device 57, and described clear water is directly provided in final rinsing pump 43 by clear water induction valve V2 or by clear water storage case 30.Rinse aid metering device 57 is particularly preferably set to: rinse aid is added to metering method in clear water also goes in not heated position.Experiment shows when rinse aid is added in not heated clear water with metering method, and rinse aid and clear water are mixed to get obviously better and are more even.Particularly, rinse aid should join temperature in the clear water below 40 ℃ with metering method, and is preferably below 30 ℃.Therefore,, in the embodiment of the conveying type dish-washing machine 2 shown in Fig. 1, rinse aid adds between final rinsing pump 43 and water heater 9 or heat recovery component 42 with metering method.For this reason, in pipe-line system, provide between final rinsing pump 43 and heat recovery parts 42 and extend (issue) and can be connected to by rinsing auxiliary pump 56 the feeding pipeline (feed line) of rinse aid metering device 57.
Above-mentioned control device 50 is schematically illustrated in the conveying type dish-washing machine 2 shown in Fig. 1.Described control device 50 is designed to the amount of the final rinsing liquid of sprinkling in the inherent final rinsing of automatically setting time per unit district 18.Described control device 50 is preferably designed to be according to predefined or can predefined procedure order activate the actuatable parts of difference of described conveying type dish-washing machine 2, for example corresponding pump or valve, thereby can set the technological parameter in the independent process region 12,14,16,18 of described conveying type dish-washing machine 2, especially the technological parameter in final rinsing district 18.
Also be preferred as follows: the transfer rate that ware washing is transmitted through respective handling region 12,14,16,18 along direction of transfer 8 can be set by control device 50.
According to the present invention, the amount of the final rinsing liquid spraying in the inherent final rinsing of time per unit district 18 at least transmits by the transfer rate in final rinsing district 18 and/or automatically changes according to transmitting the type of the ware washing that passes through at least one final rinsing district 18 according to ware washing by control device 50.In conveying type dish-washing machine 2 as shown in Figure 1, described control device 50 is designed to selectively according to transmitting the type of the ware washing by least one final rinsing district 18 or automatically changing the amount of the final rinsing liquid of the inherent described final rinsing district's 18 interior sprinklings of time per unit according to transfer rate.Yet, in principle, to be only designed to according to the amount that transmits the type of the ware washing by least one final rinsing district 18 or only automatically change the final rinsing liquid of the inherent described final rinsing district's 18 interior sprinklings of time per unit according to transfer rate be also feasible to described control device 50.
For surveying the type of pending ware washing in conveying type dish-washing machine 2, conveying type dish-washing machine 2 as shown in Figure 1 has ware washing sniffer 51.Term used herein " ware washing sniffer " can be understood to any sniffer that is designed to survey and/or determine ware washing type pending in conveying type dish-washing machine 2.Ware washing sniffer 51 can have at least one detecting devices, its detectable in conveying type dish-washing machine 2 size and/or shape and/or the material of pending ware washing.In one of ware washing sniffer 51 possible embodiment, it comprises that at least one is preferably the detecting devices of optical manipulation, inductance or electric capacity operation, and the size of ware washing, shape and/or material can be take and identified ware washing type and directly detected as object like this.Yet, the detector of other types, such as electric induction operation proximity transducer, optical sensor, light curtain, laser scanner, 3D laser, camera, turn-sensitive device etc. all can be used as detecting devices.
As shown in Figure 1, ware washing sniffer 51 is preferably arranged on entrance 11 places of described conveying type dish-washing machine 2, thereby can detect the type that is fed to the ware washing in the independent processing region of conveying type dish-washing machine 12,14,16,18,40.Yet the inside that much less ware washing sniffer 51 is arranged on to conveying type dish-washing machine 2 is also feasible.Important factor is that ware washing sniffer 51 at least should be arranged on the upstream end of the entrance that enters final rinsing district 18.
Described control device 50 is connected with ware washing sniffer 51, by suitable communications connectors, connect especially, so that the type that is supplied to conveying type dish-washing machine 2 and is washed the ware washing that vessel sniffer 51 detects can be checked continuously, or occur according to Preset Time inspection and/or as scheduled event.
According in the embodiment of the conveying type dish-washing machine 2 of the present invention shown in Fig. 1, described control device 50 is designed to the type that pending ware washing can detect based on ware washing sniffer 51 and is automatically detected.Described control device 50 is preferably the automatically at least following ware washing of detection:
The plate that-ceramic material or class ceramic material are made;
The cup that-ceramic material or class ceramic material, glass material or class glass material are made;
The bowl that-ceramic material or class ceramic material, glass material or class glass material are made;
The pallet that-plastic material is made or the article of similar pallet;
-metal the container that especially stainless steel is made, especially GN container;
-metal the kettle (pot) that especially stainless steel is made;
-metal the pan (pan) that especially stainless steel is made;
-metal the knife and fork that especially stainless steel is made or knife and fork articles for use (items of cutlery); With
The drinking glass that the glazed material of-glass or class is made.
If the type identification that control device 50 does not detect based on ware washing sniffer 51 goes out ware washing, so relevant ware washing is identified as " other ware washings ".
According to the solution of the present invention, its advantage is not only that it can be treated and processes ware washing and automatically identify, also be the additional function of described control device 50, according to described additional function, described control device is designed to automatically be chosen in predefined in final rinsing district 18 or can predefined handling procedure, and according to the type of the ware washing detecting and/or branch office's transfer rate, sets the technological parameter of selecteed handling procedure.Can according to the type of the ware washing detecting and/or the technological parameter of setting according to transfer rate, be comprised by control device 50, especially, the amount of the final rinsing liquid of the inherent final rinsing district's 18 interior sprinklings of time per unit.Therefore, control device 50 is preferably designed to correspondingly activate final rinsing pump 43.In this case, final rinsing pump 43 is preferably designed for the controlled pump of rotary speed.
For making control device 50, can correspondingly automatically set the amount of the inherent finally final rinsing liquid of rinsing district's 18 interior sprinklings of time per unit and correspondingly activate final rinsing pump 43 according to the type of the ware washing detecting and/or according to transfer rate, feasible is make control device 50 have can controlled device 50 accesses memory device (clearly not illustrating in Fig. 1), in this memory device, have handling procedure and the corresponding process parameters for carry out final rinsing in final rinsing district 18 of for the ware washing of each type or issuable transfer rate, storing.
This can effectively prevent from ware washing being carried out to excess processes final rinsing region 18 is interior.Even if the amount of the final rinsing liquid spraying out is relatively few, also often enough reach fully final wash effect in final rinsing district 18 interior time per units.
According to the present invention, can in time per unit, with metering method, by rinse aid metering device 57, at the clear water for final rinsing object, add the rinse aid of fixed amount, and not depend on the amount of the final rinsing liquid of the inherent final rinsing district's 18 interior sprinklings of time per unit.Like this, rinse aid metering device 57 can be not associated in function with control device 50.In other words, rinse aid with metering method, be added and with the handling procedure in final rinsing district 18 of selecting by control device 50 and irrelevant by the technological parameter of control device 50 respective settings.This allows rinse aid metering device 57 as module independently, to use in conveying type dish-washing machine 2.Therefore, conveying type dish-washing machine 2 can be modular structure, and this will produce lot of advantages, for example, in maintenance conveying type dish-washing machine 2.
Rinse aid metering device 57 can preferably be designed to have in time per unit the injection of fixed amount, like this its with metering method by 0.2 to the rinse aid of 0.8ml, being preferably 0.3 to 0.6ml rinse aid adds to as in every liter of clear water of final rinsing object, and it is irrelevant (for example with the amount of the inherent finally final rinsing liquid of rinsing district's 18 interior sprinklings of time per unit, the amount of the final rinsing liquid spraying in time per unit hour, the amount of adding the rinse aid in every liter of clear water to can be about 0.6ml, and the amount of the final rinsing liquid spraying in time per unit is when larger, the amount of adding the rinse aid in every liter of clear water to can be about 0.3ml).While experimental results show that by such amount of measuring, in final rinsing result, do not demonstrating counter productive.As mentioned above, described rinse aid should be added to metering method in the clear water of not heating, so that the mixing of rinse aid and clear water reaches best.
In the conveying type dish-washing machine 2 of preferred embodiment as shown in Figure 1, when glass or glass cup holder identified after, control device 50 be designed to by the amount Lookup protocol of the final rinsing liquid spraying at least one final rinsing district 18 described in time per unit inherence for predefined or can be predefined (for example, user or maintenance personal can change or set) value, and this is especially irrelevant with transfer rate selected and that set.
As alternatively or can be additionally, control device 50 can further preferably be designed to when knife and fork articles for use or knife and fork rack are when identified, control device 50 is predefined by the amount Lookup protocol of the final rinsing liquid spraying in final rinsing district 18 in time per unit or can be predefinedly worth, similarly, this is also irrelevant with transfer rate.
According in the preferred embodiment of the solution of the present invention, the volume flow of following final rinsing liquid is automatically set in the flight type dishwasher that channel width is 612mm:
-when detecting while being glass or glass cup holder, the volume flow of final rinsing liquid is set to the value that is more than or equal to 200l/h, irrelevant with transfer rate; With
-when detecting while being knife and fork or knife and fork rack, the volume flow of final rinsing liquid is set to the value that is more than or equal to 200l/h, irrelevant with transfer rate.
Described, according in the embodiment of the solution of the present invention, only, when the kind of ware washing is different from " glass " class ware washing or " knife and fork " class ware washing, the volume flow of final rinsing liquid just depends on transfer rate.The volume flow of following final rinsing liquid is set the ware washing for other types:
-when transfer rate < 1m/min, the volume flow of final rinsing liquid is automatically made about 150l/h;
-when transfer rate < 1.5m/min, the volume flow of final rinsing liquid is automatically made about 180l/h;
-when transfer rate > 1.5m/min, the volume flow of final rinsing liquid is automatically made about 210l/h; And
-when transfer rate > 2m/min, the volume flow of final rinsing liquid is automatically made about 240l/h;
The value of the volume flow of the value of the above-mentioned transfer rate of mentioning and final rinsing liquid is only for giving an example.Much less when detecting when being glass or knife and fork, also can change according to transfer rate the volume flow of final rinsing liquid.
Fig. 2 is according to the viewgraph of cross-section in the final rinsing district 18 of the dish-washing machine of conveying type shown in Fig. 12.As mentioned above, final rinsing district 18 has the top nozzle 20 of downward sensing, the lower nozzle 22 being directed upwards towards and at the side nozzle 24 of the horizontal sensing of conveyer 4 every sides.Yet much less, it is also feasible only upper and lower nozzle 20,22 being provided and thering is no the side nozzle 24 laterally pointing in final rinsing district 18.Yet, advantageously be at least final rinsing object and descend nozzle 20 in the use, in the time of 22, also use side nozzle 24, thereby the region that makes ware washing comprises blind area and is sprayed in goal-setting (targeted) mode, and especially can guarantee also can effectively rinse the cleaning agent residue of ware washing surface or even blind area at transfer system full load.
The present invention be not limited to Fig. 1 and Fig. 2 with the shown embodiment of exemplary patterns.On the contrary, those skilled in the art can be to obtaining the present invention the multianalysis of the description of claim and exemplary embodiment.
Claims (18)
1. conveying type dish-washing machine (2), it comprises that conveyer (4) is to transmit ware washing by least one scrubbing section (12, 14) and there is at least one final rinsing district (18) of final rinsing liquid, described final rinsing liquid comprises clear water and the rinse aid being added into metering method, described final rinsing liquid is by nozzle (20, 22, 24) in described at least one final rinsing district (18), be sprayed on ware washing, it is characterized in that, there is control device (50), the amount that it transmits transfer rate by described at least one final rinsing district (18) and/or automatically set the final rinsing liquid of the middle sprinkling at least one final rinsing district (18) described in time per unit inherence according to the type that transmits the ware washing by described at least one final rinsing district (18) according to ware washing, and wherein, there is rinse aid metering device (57), it is connected so that rinse aid is added final rinsing liquid is supplied in the final rinsing liquid path of described nozzle, and be designed in time per unit, with metering method, in being used as the clear water of final rinsing object, automatically add the rinse aid of fixed amount, and irrelevant with the amount of the middle final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence.
2. conveying type dish-washing machine according to claim 1 (2), it is characterized in that, nozzle (20 in described rinse aid metering device (57) and described at least one final rinsing district (18), 22,24) between, be provided with device (9,42) to heat described final rinsing liquid after adding rinse aid.
3. conveying type dish-washing machine according to claim 1 and 2 (2), it is characterized in that, described rinse aid metering device (57) is set to relevant to clear water service system as follows: rinse aid is added to the position that the clear water temperature in clear water is less than 40 ℃ with metering method.
4. dish-washing machine according to claim 3 (2), is characterized in that, described clear water temperature is less than 30 ℃.
5. conveying type dish-washing machine according to claim 1 (2), it is characterized in that, described rinse aid metering device (57) is designed to add in being used as every liter of clear water of final rinsing object with metering method 0.2 to 0.8ml rinse aid, and irrelevant with the amount of the middle final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence.
6. conveying type dish-washing machine according to claim 5 (2), is characterized in that, described in the rinse aid that adds be 0.3 to 0.6ml.
7. conveying type dish-washing machine according to claim 1 (2), is characterized in that, has ware washing sniffer (51), and it is designed to survey the type of pending ware washing; And wherein, described control device (50) is designed to automatically set according to the type of the pending ware washing that detects the amount of the final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence.
8. conveying type dish-washing machine according to claim 7 (2), it is characterized in that, described control device (50) is designed to automatically to set described ware washing according to the type of the pending ware washing detecting and transmits by the transfer rate in described at least one final rinsing district (18) by conveyer (4).
9. according to the conveying type dish-washing machine (2) described in claim 7 or 8, it is characterized in that, described ware washing sniffer (51) has at least one optical manipulation detecting devices and/or at least one inductance or electric capacity operation detecting devices, and is designed to automatically to identify glass or glass cup holder and/or automatically identifies knife and fork or knife and fork rack; And wherein, described control device (50) is designed to when identifying while being glass or glass cup holder, can the amount of the final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence is automatically set to predefined or can predefinedly be worth; And/or wherein, described control device (50) is designed to when identifying while being knife and fork articles for use or knife and fork rack, can the amount of the final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence is automatically set to predefined or can predefinedly be worth.
10. conveying type dish-washing machine according to claim 1 (2), it is characterized in that, for spraying described final rinsing liquid, described at least one final rinsing district (18) has at least one top nozzle (20) pointing to, lower nozzle (22) and at least one side nozzle (24) that at least one is directed upwards towards downwards.
11. conveying type dish-washing machines according to claim 1 (2), it is characterized in that, there is the final rinsing pump (43) can controlled device (50) activating, to set the nozzle (20 that offers described at least one final rinsing district (18) in time per unit, 22,24) amount of final rinsing liquid, wherein said final rinsing pump (43) is the controlled pump of rotary speed.
The method of 12. operation conveying type dish-washing machines (2), described conveying type use in dishwasher is in cleaning ware washing, described ware washing transmits by least one scrubbing section (12 by conveyer (4), 14) and at least one final rinsing district (18), wherein final rinsing liquid comprises clear water and the rinse aid being added into metering method, described final rinsing liquid is by nozzle (20, 22, 24) be sprayed on the ware washing in described at least one final rinsing district (18), it is characterized in that, according to ware washing transmission, by the transfer rate in described at least one final rinsing district (18) and/or according to transmission, the type by the ware washing in described at least one final rinsing district (18) is automatically set the amount of the final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence, and wherein, in final rinsing liquid being supplied to the final rinsing liquid path of described nozzle, in time per unit, with metering method, in being used as the clear water of final rinsing object, automatically add the rinse aid of fixed amount, and irrelevant with the amount of the middle final rinsing liquid spraying at least one final rinsing district (18) described in time per unit inherence.
13. methods according to claim 12, is characterized in that, described rinse aid be take by the following method metering method and added in clear water and go: the scope of the concentration of rinse aid is in every liter of clear water 0.2 to 0.8ml.
14. methods according to claim 13, is characterized in that, the scope of the concentration of described rinse aid is 0.3 to 0.6ml in every liter of clear water.
15. according to the method described in claim 12 or 13, it is characterized in that, described rinse aid is added in the clear water that temperature is less than 40 ℃.
16. methods according to claim 15, is characterized in that, described clear water temperature is less than 30 ℃.
17. methods according to claim 12, is characterized in that, the type of pending ware washing is detected; And the amount that wherein, is sprayed onto the final rinsing liquid in described at least one final rinsing district (18) in time per unit is automatically set according to the type of the pending ware washing detecting.
18. methods according to claim 12, it is characterized in that, the transfer rate that ware washing at least transmits by described at least one final rinsing district (18) by conveyer (4) is automatically set according to the type of the pending ware washing detecting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008037683.3A DE102008037683B4 (en) | 2008-08-14 | 2008-08-14 | Transport dishwasher and method for operating a conveyor dishwasher |
| DE102008037683.3 | 2008-08-14 | ||
| PCT/US2009/053534 WO2010019653A1 (en) | 2008-08-14 | 2009-08-12 | Conveyor dishwasher and method for operating a conveyor dishwasher |
Publications (2)
| Publication Number | Publication Date |
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| CN102123647A CN102123647A (en) | 2011-07-13 |
| CN102123647B true CN102123647B (en) | 2014-08-20 |
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| CN200980131991.4A Active CN102123647B (en) | 2008-08-14 | 2009-08-12 | Conveyor dishwasher and method for operating a conveyor dishwasher |
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| US (1) | US8435358B2 (en) |
| EP (1) | EP2323534B1 (en) |
| JP (1) | JP2012500046A (en) |
| CN (1) | CN102123647B (en) |
| AU (1) | AU2009282024B2 (en) |
| CA (1) | CA2732768A1 (en) |
| DE (2) | DE102008037683B4 (en) |
| DK (1) | DK2323534T3 (en) |
| WO (1) | WO2010019653A1 (en) |
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- 2009-08-12 JP JP2011523132A patent/JP2012500046A/en not_active Withdrawn
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| CN107920711B (en) * | 2015-06-01 | 2021-06-01 | 伊利诺斯工具制品有限公司 | Warewash machine cleaning notification and in-situ dilution process |
Also Published As
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| AU2009282024A1 (en) | 2010-02-18 |
| EP2323534A4 (en) | 2014-04-23 |
| US20110132408A1 (en) | 2011-06-09 |
| CN102123647A (en) | 2011-07-13 |
| EP2323534B1 (en) | 2016-01-27 |
| DE102008037683B4 (en) | 2019-05-02 |
| DE202009018994U1 (en) | 2015-04-01 |
| DE102008037683A1 (en) | 2010-02-18 |
| EP2323534A1 (en) | 2011-05-25 |
| WO2010019653A1 (en) | 2010-02-18 |
| DK2323534T3 (en) | 2016-05-02 |
| CA2732768A1 (en) | 2010-02-18 |
| US8435358B2 (en) | 2013-05-07 |
| AU2009282024B2 (en) | 2013-10-17 |
| JP2012500046A (en) | 2012-01-05 |
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